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Search: id:A070767
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| A070767 |
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Number of polyhexes with n cells that do not tile the plane. |
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+0 4
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| 0, 0, 0, 0, 0, 5, 39, 394, 2784, 19164, 118762, 579460, 3110267, 15264387, 75007623, 369928203, 1817475619, 8913862144, 43914857957
(list; graph; listen)
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OFFSET
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1,6
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REFERENCES
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M. Gardner, Tiling with Polyominoes, Polyiamonds and Polyhexes. Chap. 14 in Time Travel and Other Mathematical Bewilderments. New York: W. H. Freeman, pp. 175-187, 1988.
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LINKS
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Joseph Myers, Polyhex tiling
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CROSSREFS
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Cf. A000228, A070766, A038144, A070768, A054360.
Sequence in context: A105426 A115187 A129763 this_sequence A124549 A024216 A127189
Adjacent sequences: A070764 A070765 A070766 this_sequence A070768 A070769 A070770
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KEYWORD
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hard,nonn
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AUTHOR
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Joseph Myers (jsm(AT)polyomino.org.uk), May 05 2002
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EXTENSIONS
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More terms from Joseph Myers (jsm(AT)polyomino.org.uk), Nov 06 2003
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